HP 3562A Service Manual page 316

FET
I RS
C H O P P E R
y
SWITC H ES
C H O P P E R
I SO LATI ON/
1
D R I V E R
f1f JLf
WIDTH MODULATO R
5hut down
2 V
POW E R
re 6-A 1 8 Power Supply Block Diagram
RECTI F I E R
r :-.
I
- - - - - - - -
L _
Primary
Transformer
+ 5 V Ref
C U R R E N T
MONITOR
S LOW
START
SECON DARY
L I N EAR
S U P P L I E S
F I LTER
and
- - - -
l
s r
+
�
u Pp l Y
L
*
C
- - - - -
-1
OV E R
OTE MPL
I
I
from
from
Primary
Bias
Current
PROTECT I O N
MON I TO R
PWRDNL
PWRUP
± 30V
+ 1 5A
± 1 55
+ 851
+ 852
+ 55
+ 2 .6V
6-97/6-98